The document model parameter specified at index creation time specifies the root element in the model file.

在创建索引时指定的文档模型参数指定模型文件的根元素。

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The lack of focus on knowledge acquisition and management is the root cause of many of the problems we perennially experience in the creation of software.

缺乏对知识获取和管理的关注是当今我们在创造软件过程中所遇到的问题的根本原因。

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Dr DePinho refers to it, jokingly, as metastasis, since a clone of his primary creation will be taking root elsewhere in the country.

ECONOMIST: Cancer research